Identification Data |
Common Name | |
Constellation | Sextans |
Star Name | 40 Sex |
Skymap Number | 10490060 |
Henry Draper (HD) Number | 93742 |
Harvard Revised (HR) Number | 4229 |
SAO Number | 137808 |
Durchmusterung (DM) Number | SD-03 2999 |
Washington Double Stars (WDS) Number
| 10493-0401
|
Positional Data |
Position and Proper Motion (PPM) Number | 193820 |
Right Ascension (RA) J2000 | 10h 49m 17.273s |
Declination (Dec) J2000 | -4° 1' 26.150" |
Position Uncertainty | 0.0129s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00339 |
Proper Motion in Dec (J2000) | -0.002067 |
Radial Velocity | +014.0km s-1 |
Trigonometric Parallax | +0.01043s |
Trigonometric Parallax Uncertainty | 0.00117s |
GCI Unit Vector in X (J2000) | -0.950429 |
GCI Unit Vector in Y (J2000) | 0.302919 |
GCI Unit Vector in Z (J2000) | -0.070173 |
Galactic Longitude | 254.81° |
Galactic Latitude
| 47.11°
|
Observational Data |
Observed Visual Magnitude (V) | 6.61 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | |
Observed B Magnitude | 6.82 |
Observed B-V Colour | +0.211 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.012 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 7.0 |
Observed Photographic Magnitude | 6.6 |
Morgan Keenan (MK) Spectral Type | A2IV |
One-Dimensional Spectral Class | A2 |
Position Angle | 13 |
Year of Observation | 1991. AD |